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S00_SUNNiE

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## Homework Statement

I'm new to this forum and I'm not very sure with how I'm suppose to state my problems, thus if it's written wrong please tell me so.

I'm currently doing a motion lab report for my physics class and we have to analyse the motion of a pendulum.

The material used for the lab are: Aparatus, string, 100g bob, and stopwatch (to measure time it takes to complete 30 cycles).

I'm asked to find the relationship between the length and the frequency of the simple pendulum.

i have finhsed mostly everything that's asked for in the lab but for the conclusion I'm asked to add the percent error, but my problem is what is a theoretical value?

## Homework Equations

This is the percent Error Formula:

(|theoretical value - experimental value|/theoretical vaule) x 100%

I've asked my teacher what is a theoretical value but she told me to look it up.

## The Attempt at a Solution

i've tried googling for the theoretical value and one site has stated that the theoretical value is 9.80m/s

^{2}. It too is a lab report about the motion of a simple pendulum but I'm not quite sure if the value is correct.